From: Suzuki K Poulose <suzuki.poulose@arm.com>
To: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org, mike.leach@linaro.org,
mathieu.poirier@linaro.org, coresight@lists.linaro.org,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Rob Herring <robh+dt@kernel.org>,
devicetree@vger.kernel.org
Subject: [RFC PATCH 14/14] dts: bindings: coresight: ETMv4.4 system register access only units
Date: Wed, 22 Jul 2020 18:20:40 +0100 [thread overview]
Message-ID: <20200722172040.1299289-15-suzuki.poulose@arm.com> (raw)
In-Reply-To: <20200722172040.1299289-1-suzuki.poulose@arm.com>
Document the bindings for ETMv4.4 and later with only system register
access.
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
Documentation/devicetree/bindings/arm/coresight.txt | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt
index d711676b4a51..cfe47bdda728 100644
--- a/Documentation/devicetree/bindings/arm/coresight.txt
+++ b/Documentation/devicetree/bindings/arm/coresight.txt
@@ -34,9 +34,13 @@ its hardware characteristcs.
Program Flow Trace Macrocell:
"arm,coresight-etm3x", "arm,primecell";
- - Embedded Trace Macrocell (version 4.x):
+ - Embedded Trace Macrocell (version 4.x), with memory mapped access.
"arm,coresight-etm4x", "arm,primecell";
+ - Embedded Trace Macrocell (version 4.4 and later) with system
+ register access only.
+ "arm,coresight-etm-v4.4";
+
- Coresight programmable Replicator :
"arm,coresight-dynamic-replicator", "arm,primecell";
--
2.24.1
WARNING: multiple messages have this Message-ID (diff)
From: Suzuki K Poulose <suzuki.poulose@arm.com>
To: linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org, mathieu.poirier@linaro.org,
Suzuki K Poulose <suzuki.poulose@arm.com>,
coresight@lists.linaro.org, linux-kernel@vger.kernel.org,
Rob Herring <robh+dt@kernel.org>,
mike.leach@linaro.org
Subject: [RFC PATCH 14/14] dts: bindings: coresight: ETMv4.4 system register access only units
Date: Wed, 22 Jul 2020 18:20:40 +0100 [thread overview]
Message-ID: <20200722172040.1299289-15-suzuki.poulose@arm.com> (raw)
In-Reply-To: <20200722172040.1299289-1-suzuki.poulose@arm.com>
Document the bindings for ETMv4.4 and later with only system register
access.
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
Documentation/devicetree/bindings/arm/coresight.txt | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt
index d711676b4a51..cfe47bdda728 100644
--- a/Documentation/devicetree/bindings/arm/coresight.txt
+++ b/Documentation/devicetree/bindings/arm/coresight.txt
@@ -34,9 +34,13 @@ its hardware characteristcs.
Program Flow Trace Macrocell:
"arm,coresight-etm3x", "arm,primecell";
- - Embedded Trace Macrocell (version 4.x):
+ - Embedded Trace Macrocell (version 4.x), with memory mapped access.
"arm,coresight-etm4x", "arm,primecell";
+ - Embedded Trace Macrocell (version 4.4 and later) with system
+ register access only.
+ "arm,coresight-etm-v4.4";
+
- Coresight programmable Replicator :
"arm,coresight-dynamic-replicator", "arm,primecell";
--
2.24.1
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next prev parent reply other threads:[~2020-07-22 17:21 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-22 17:20 [RFC PATCH 00/14] coresight: Support for ETMv4.4 system instructions Suzuki K Poulose
2020-07-22 17:20 ` Suzuki K Poulose
2020-07-22 17:20 ` [RFC PATCH 01/14] coresight: etm4x: Skip save/restore before device registration Suzuki K Poulose
2020-07-22 17:20 ` Suzuki K Poulose
2020-07-29 18:01 ` Mathieu Poirier
2020-07-29 18:01 ` Mathieu Poirier
2020-07-30 14:45 ` Suzuki K Poulose
2020-07-30 14:45 ` Suzuki K Poulose
2020-07-22 17:20 ` [RFC PATCH 02/14] coresight: Introduce device access abstraction Suzuki K Poulose
2020-07-22 17:20 ` Suzuki K Poulose
2020-07-24 4:40 ` kernel test robot
2020-07-29 19:56 ` Mathieu Poirier
2020-07-29 19:56 ` Mathieu Poirier
2020-07-30 14:58 ` Suzuki K Poulose
2020-07-30 14:58 ` Suzuki K Poulose
2020-07-29 20:56 ` kernel test robot
2020-07-22 17:20 ` [RFC PATCH 03/14] coresight: tpiu: Use coresight " Suzuki K Poulose
2020-07-22 17:20 ` Suzuki K Poulose
2020-07-29 21:01 ` Mathieu Poirier
2020-07-29 21:01 ` Mathieu Poirier
2020-07-31 11:36 ` Suzuki K Poulose
2020-07-31 11:36 ` Suzuki K Poulose
2020-07-22 17:20 ` [RFC PATCH 04/14] coresight: etm4x: Free up argument of etm4_init_arch_data Suzuki K Poulose
2020-07-22 17:20 ` Suzuki K Poulose
2020-07-30 17:31 ` Mathieu Poirier
2020-07-30 17:31 ` Mathieu Poirier
2020-07-31 9:39 ` Suzuki K Poulose
2020-07-31 9:39 ` Suzuki K Poulose
2020-07-22 17:20 ` [RFC PATCH 05/14] coresight: Convert coresight_timeout to use access abstraction Suzuki K Poulose
2020-07-22 17:20 ` Suzuki K Poulose
2020-07-30 18:00 ` Mathieu Poirier
2020-07-30 18:00 ` Mathieu Poirier
2020-07-22 17:20 ` [RFC PATCH 06/14] coresight: Convert claim and lock operations to use access wrappers Suzuki K Poulose
2020-07-22 17:20 ` Suzuki K Poulose
2020-07-27 6:04 ` kernel test robot
2020-07-27 17:56 ` kernel test robot
2020-07-28 9:47 ` Suzuki K Poulose
2020-07-30 19:54 ` Mathieu Poirier
2020-07-30 19:54 ` Mathieu Poirier
2020-07-31 9:46 ` Suzuki K Poulose
2020-07-31 9:46 ` Suzuki K Poulose
2020-07-22 17:20 ` [RFC PATCH 07/14] coresight: etm4x: Always read the registers on the host CPU Suzuki K Poulose
2020-07-22 17:20 ` Suzuki K Poulose
2020-07-30 19:56 ` Mathieu Poirier
2020-07-30 19:56 ` Mathieu Poirier
2020-07-22 17:20 ` [RFC PATCH 08/14] coresight: etm4x: Convert all register accesses Suzuki K Poulose
2020-07-22 17:20 ` Suzuki K Poulose
2020-07-30 20:20 ` Mathieu Poirier
2020-07-30 20:20 ` Mathieu Poirier
2020-07-31 9:49 ` Suzuki K Poulose
2020-07-31 9:49 ` Suzuki K Poulose
2020-07-22 17:20 ` [RFC PATCH 09/14] coresight: etm4x: Add sysreg access helpers Suzuki K Poulose
2020-07-22 17:20 ` Suzuki K Poulose
2020-07-30 21:41 ` Mathieu Poirier
2020-07-30 21:41 ` Mathieu Poirier
2020-07-31 9:51 ` Suzuki K Poulose
2020-07-31 9:51 ` Suzuki K Poulose
2020-07-22 17:20 ` [RFC PATCH 10/14] coresight: etm4x: Define DEVARCH register fields Suzuki K Poulose
2020-07-22 17:20 ` Suzuki K Poulose
2020-07-22 17:20 ` [RFC PATCH 11/14] coresight: etm4x: Detect system register access support Suzuki K Poulose
2020-07-22 17:20 ` Suzuki K Poulose
2020-07-22 17:20 ` [RFC PATCH 12/14] coresight: etm4x: Refactor probing routine Suzuki K Poulose
2020-07-22 17:20 ` Suzuki K Poulose
2020-07-22 17:20 ` [RFC PATCH 13/14] coresight: etm4x: Add support for sysreg only devices Suzuki K Poulose
2020-07-22 17:20 ` Suzuki K Poulose
2020-07-22 17:20 ` Suzuki K Poulose [this message]
2020-07-22 17:20 ` [RFC PATCH 14/14] dts: bindings: coresight: ETMv4.4 system register access only units Suzuki K Poulose
2020-07-23 17:27 ` Rob Herring
2020-07-23 17:27 ` Rob Herring
2020-07-29 17:20 ` Mathieu Poirier
2020-07-29 17:20 ` Mathieu Poirier
2020-07-30 16:38 ` Suzuki K Poulose
2020-07-30 16:38 ` Suzuki K Poulose
2020-08-10 20:14 ` Mathieu Poirier
2020-08-10 20:14 ` Mathieu Poirier
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